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Q121. Which three factors slow down network convergence? (Choose three.) 

A. constant interface flapping 

B. lack of redundant paths 

C. inconsistent topology states between routers 

D. transport network failing to generate LoS 

E. wrong summarization in ABRs 

Answer: ACD 


Q122. Which two factors can significantly affect the OSPF network convergence time? (Choose two.) 

A. the tuning of OSPF LSA timers 

B. the number of OSPF routes 

C. the diameter of the OSPF network 

D. different processor capabilities of devices 

Answer: AD 


Q123. A company would like to distribute a virtual machine (VM) hosting cluster between three data centers with the capability to move VMs between sites. The connectivity between data centers is IP only and the new design should use the existing WAN. Which Layer 2 tunneling technology do you recommend? 

A. VPLS 

B. L2TPv3 

C. OTV 

D. AToM 

Answer: C 


Q124. In which two ways is a network design improved by the inclusion of IP Event Dampening? (Choose two.) 

A. reduces processing load 

B. provides sub-second convergence 

C. improves network stability 

D. prevents routing loops 

E. quickly detects network failures 

Answer: AC 


Q125. You need to redesign your NMS system so that it can collect information without causing adverse effects in the network, such as high CPU utilization on network devices and network instability. Which two options will minimize the impact of the trusted NMS polling your network in this situation? (Choose two.) 

A. Implement SNMP community restrictions that are associated with an ACL. 

B. Unload unused MIBs from the network devices. 

C. Prevent polling of large tables through the use of SNMP OID restrictions. 

D. Disable unused OIDs and MIBs on the NMS systems. 

Answer: CD 


Q126. Refer to the exhibit. 

An enterprise is migrating its single-area OSPF network from a Frame Relay WAN service to an MPLS L3VPN service. Frame Relay will remain in only a few sites that require increased resiliency via two different WAN connections. 

Which feature could be used in the ?MPLS VPN service provider network to support the design requirement by ensuring that during normal operation, intersite traffic will only use the MPLS VPN service and not the old Frame Relay service? 

A. virtual links 

B. sham links 

C. multiple stub areas 

D. super backbone 

Answer: B 


Q127. Refer to the exhibit. 

Which single design aspect should be configured on the ABRs to reduce the impact of WAN upgrades for spoke routers on the core of the network? 

A. route summarization 

B. stub area 

C. route filtering 

D. not-so-stubby area 

Answer: A 


Q128. What is the definition of the ITIL framework? 

A. an ISO framework that establishes a model for network management and contains guidelines for managing objects, the management database, and the application entity 

B. a five-volume framework for service management that covers design, transition, and delivery of service, and from which the ISO 20000 was developed 

C. a series of tools for process improvement that uses statistical methods to reduce defects in processes and manufacturing 

D. a framework for enterprise architecture that provides a comprehensive approach for designing, planning, implementing, and governing an enterprise information architecture 

E. a framework for enterprise IP Address Management (IPAM) based on the IANA trusted IP lease allocation scheme 

Answer: B 


Q129. Which two options are characteristics of firewall transparent mode operations in a firewall solution design? (Choose two.) 

A. The firewall acts like a router hop in the network. 

B. OSPF adjacencies can be established through the firewall. 

C. Changes in the existing IP addressing and subnets are required. 

D. Multicast traffic can traverse the firewall. 

E. The firewall can participate actively on spanning tree. 

Answer: BD 


Q130. You are deploying a nationwide intranet solution for a company with 4 data centers and 400 remote branches connected via a provider-based solution. As part of the network design, you must ensure efficient content distribution of training material to remote sites. Which two VPN technologies leverage replication in the network core and provide for efficient bandwidth optimization? (Choose two.) 

A. VPLS 

B. EoMPLS 

C. MPLS Layer 3 VPN 

D. GRE 

E. GET VPN 

Answer: CE